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Optical Engineering

Common Path Interferometry
Author(s): Walter H. Augustyn, Jr.
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Paper Abstract

Common path interferometry is perhaps less common today with the availability of laser sources, but its usefulness has not been diminished. It offers many advantages in terms of ease of operation under difficult shop environments that may even preclude unequal path interferometry. Since only the classical requirements for coherence length of the light source need be met, conventional arc lamps may be used. The laser still provides a better source since the intensity is generally so much higher than can be obtained with arc lamps that short photographic exposures can be used in obtaining interferograms.

Paper Details

Date Published: 1 October 1973
PDF: 2 pages
Opt. Eng. 12(5) 125180 doi: 10.1117/12.7971658
Published in: Optical Engineering Volume 12, Issue 5
Show Author Affiliations
Walter H. Augustyn, Jr., The Perkin-Elmer Corporation (United States)


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